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Category: MYSQL

Useful MySQL Posts

April 16, 2021 Yvonne Lu MYSQL

An Overview of using algorithm setting to modify MySQL table MySQL data definition language Operations

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MYSQLI on PHPStorm Build In Web Server

July 29, 2020 Yvonne Lu MYSQL, PHP

PHPStorm has a build-in web server running at default port 63342.  It works fine in general browser files such as

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MariaDB Abort Due To Failed to Initialize Multi Master Structures

April 15, 2020 Yvonne Lu MYSQL

I am running 10.4.11 MariaDB Recently, My XAMPP controller failed to start MySQL (MariaDB). I got the following error: Error:

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Unicode choice for MYSQL database

September 21, 2018 Yvonne Lu Dolibarr, MYSQL

A very good post on stackoverflow.  My’s sticking with utf8mb4_general_ci for general tables (better performance) : https://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci Note:  DOLIBARR uses utf8mb4_unicode_ci.  Since

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MYSQL Cheat Sheet

August 28, 2018 Yvonne Lu MYSQL

To dump all data in a database mysqldump –host=”hostname” –user=”username” –password=”password” databasename > backup_name.sql To reset auto-increment field in a

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Avoiding auto-increment holes on InnoDB with INSERT IGNORE

August 26, 2016 Yvonne Lu MYSQL

Short answer: Stop MYSQL server Set innodb_autoinc_lock_mode=0 in my.ini. Note that there are multiple my.ini files in Mysql directories.  The

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Reset Mysql Root Password Without PHPMyAdmin

June 7, 2016 Yvonne Lu MYSQL

Here’s a link to a good post on MYSQL password in general https://www.techrepublic.com/article/how-to-set-change-and-recover-a-mysql-root-password/ First time MYSQL install, use the following

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How to upgrade PHPMyAdmin

May 24, 2016 Yvonne Lu MYSQL

How to upgrade PHPMyAdmin under XAMPP: Stop MySql Rename the current phpmyadmin directory. Go to https://www.phpmyadmin.net/downloads/ to download the latest version.  I

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Update MYSQL under XAMPP

May 23, 2016 Yvonne Lu MYSQL

XAMPP is now packaged with MariaDB.  MariaDB is a community version of MySql.  It was created because programmers want to

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MySQL Change Root Password In XAMPP

May 23, 2016 Yvonne Lu MYSQL

note:  as of MariaDB 10.4, this post is no longer effective. See https://mariadb.org/authentication-in-mariadb-10-4/ Good post about how to change root

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